patch-2.4.0-test12 linux/arch/arm/lib/ecard.S

• Lines: 48
• Date: Mon Nov 27 17:07:59 2000
• Orig file: v2.4.0-test11/linux/arch/arm/lib/ecard.S
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test11/linux/arch/arm/lib/ecard.S linux/arch/arm/lib/ecard.S
@@ -0,0 +1,47 @@
+/*
+ *  linux/arch/arm/lib/ecard.S
+ *
+ *  Copyright (C) 1995, 1996 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/config.h> /* for CONFIG_CPU_nn */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <asm/hardware.h>
+
+#if defined(CONFIG_CPU_26)
+#define CPSR2SPSR(rt)
+#else
+#define CPSR2SPSR(rt) \
+		mrs	rt, cpsr; \
+		msr	spsr, rt
+#endif
+
+@ Purpose: call an expansion card loader to read bytes.
+@ Proto  : char read_loader(int offset, char *card_base, char *loader);
+@ Returns: byte read
+
+ENTRY(ecard_loader_read)
+		stmfd	sp!, {r4 - r12, lr}
+		mov	r11, r1
+		mov	r1, r0
+		CPSR2SPSR(r0)
+		mov	lr, pc
+		mov	pc, r2
+		LOADREGS(fd, sp!, {r4 - r12, pc})
+
+@ Purpose: call an expansion card loader to reset the card
+@ Proto  : void read_loader(int card_base, char *loader);
+@ Returns: byte read
+
+ENTRY(ecard_loader_reset)
+		stmfd	sp!, {r4 - r12, lr}
+		mov	r11, r0
+		CPSR2SPSR(r0)
+		mov	lr, pc
+		add	pc, r1, #8
+		LOADREGS(fd, sp!, {r4 - r12, pc})
+